Inside the Museum

The security panel you couldn't access before can now be hacked, allowing you to enter the bowels of the museum. Some of Penguin's gang have a hostage in their midst, plus one of them also sports some beating-resistant armor.

You'll be taught to exercise a sort of stun attack involving Batman's cape, then encouraged to go into a beatdown by repeatedly pressing the strike button to overpower this armored foe. When the danger surrounding the hostage has been squashed, the hostage, revealing himself to be Officer Jones, hopes you can help him search for his other squad mates.

Continue down the stairs to the door ahead. If you're interested, there's a Riddler Trophy to be obtained in the area to the left. You just need the Cryptographic Sequencer to access it.

The door deposits you right in the heart of a gladiator pit. As you can probably predict from here, it won't be long before Batman is rushed by the savage and violence-starved inmates. As always, some combat finesse will help you prevail even against the overwhelming odds. Despite having his crew completely trounced by your hands, Penguin seems a little too unconcerned.

He plays his secret card in unleashing a Titan mutant thug -- basically, another huge, brainless brute. This time the Titan is so easily flustered by a trio of Batman's stun attacks, which the game actually instructs you to do, that it's easy to subdue him and control him (albeit clumsily) for a little while.

While you're on his back, steer the lumbering bloke towards the small fry and watch them flounder helplessly. Avoid the Titan's direct attacks and repeat this until this huge enemy and his friends finally fall.

By the time you survive the gruesome battle, Penguin will be out of sight, leaving you wondering what to do. For starters, the doors on either side are blocked off by a thick current of electricity. There's a switch behind one side of the fence, but you'll have to use a Remote Controlled Batarang to hit the switch. The switch opens up a door which in turn leads to a security panel. Hop in the elevator behind the security door and activate it by adding juice to the electromagnets.

The elevator leads seemingly to a dead end, but really, it's nothing a thick coat of Explosive Gel can't fix.

In this new area, the first valve cover you come to hides a Riddler Trophy. In order to retrieve a Riddler Trophy hidden behind a destructible wall, you first need to stand outside the elevator and raise it to get it out of the way.

Then blow up the wall to find it.Continue along the corridor and detonate some Explosive Gel on the thick wall of ice.